Delek US 10-K 2006 FY Annual report

Exhibit 32.1

Certification Pursuant to
18 U.S.C. Section 1350,
as Adopted Pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Annual Report of Delek US Holdings, Inc. (the “Company”) onForm 10-K for the year ended December 31, 2006, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Ezra Uzi Yemin, Chief Executive Officer and President of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, and to the best of my knowledge, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

By:  /s/  Ezra Uzi Yemin

Ezra Uzi Yemin,
Chief Executive Officer and President

Dated: March 20, 2007

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained and furnished to the Securities and Exchange Commission or its staff upon request.